- Company number
- SC898523
- Incorporated
- 9 Aug 2026
- Registered office
- 48 West George Street, Glasgow, G2 1BP
- Nature of business
- Construction of commercial buildings
Isf Systems Ltd is a newly incorporated private limited company registered in Glasgow, company number SC898523, one of 593 building contractors in Glasgow. Its next accounts are due at Companies House on 9 May 2028, and its first CT600 is due at HMRC on 8 August 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Isf Systems Ltd is registered
The registered office is in Glasgow (G2), in the Glasgow City local authority area, Scotland. Show G2 1BP on a map.
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- Halcyon Sports Services LtdProperty developers
- Kiess & Co. Decorators LtdPainters and decorators
- The Three Sisters Furniture and Flooring LtdFloor and wall tilers
- Projectform Construction LtdJoiners and carpenters
- The Scaffold Network Scotland LtdScaffolders
- Hanlon Property Solutions LtdJoiners and carpenters
- Bellroc Mould Solutions LimitedPainters and decorators
Shared registered office
104 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Isf Systems Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 9 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 May 2028 to 9 Jun 2028 | £150 |
| 1 to 3 months late | 10 Jun 2028 to 9 Aug 2028 | £375 |
| 3 to 6 months late | 10 Aug 2028 to 9 Nov 2028 | £750 |
| More than 6 months late | From 10 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- SC898523
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 August 2026
- Registered office
- 48 West George Street, Glasgow, G2 1BP
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Glasgow
Other active building contractors registered in Glasgow.
- Ivy Construction Group Ltd2026
- J Building Contractors Ltd2019
- J D Joiners and Builders Ltd2018
- J Mann Construction Ltd2023
- J McFadyen (Building Contractors) Limited1983
- J&H Construction Ltd2025
- J&M Design Group Limited2024
- J. & W.S. Contracts Limited1998
All building contractors in Glasgow · All trades in Glasgow · Builders across the UK
Frequently asked questions
When are Isf Systems Ltd's accounts due?
Isf Systems Ltd's next accounts are due at Companies House by 9 May 2028 (in 575 days), covering the period to 31 August 2027.
When is Isf Systems Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 August 2027, due by 8 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Isf Systems Ltd still trading?
Isf Systems Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Isf Systems Ltd do?
Isf Systems Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Isf Systems Ltd?
Isf Systems Ltd was incorporated on 9 August 2026, less than a year ago.
What is the penalty if Isf Systems Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Isf Systems Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.